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  1. 1. SNAKES
  2. 2. Camouflage in the Pigmy Adder (Namib Desert)
  3. 3. Hiding in the desert….
  4. 4. Colubridae <ul><li>Share no unique derived characters. </li></ul><ul><li>Very diverse in every way. </li></ul><ul><li>70% of all snakes are grouped in this family. </li></ul><ul><li>Includes most snakes in our area. </li></ul><ul><li>Some snakes are venomous (African). </li></ul>
  5. 5. Lampropeltis getula Eastern Kingsnake
  6. 6. Other Kingsnakes Scarlet Kingsnake Utah Mountain Kingsnake
  7. 7. Lampropeltis calligaster Mole Kingsnake Adults are tannish to orange, with black-bordered reddish-brown blotches . There are smaller reddish-brown blotches on the sides between the larger mid-dorsal blotches. The belly is checkered. There is a light colored Y-shaped pattern on the back of the head. There is a dark line through the eye. Scales are smooth .
  8. 8. Elaphe guttata Corn Snake Boldly checkered with black and white. Dark mark on top of head resembling spear point.
  9. 9. Elaphe obsoleta Rat Snake Venter mottled with gray and white. Anterior portion of venter is lighter than posterior portion.
  10. 10. Juvenile Black Rat Snake
  11. 11. Heterodon platyrhinos Eastern Hognose Snake
  12. 12. Coluber constrictor Black Racer Adult Juvenile Have uniformly black dorsum and predominately black or dark gray venter. Smooth scales.                                                                                                                      
  13. 13. Carphophis amoenus Worm Snake Small snake 7.5 – 12 inches. Resemble large worms. Small pointed head, plain chestnut to dark brown dorsum, and pinkish venter. Tail tip bears a sharp spine. Scales are smooth and glossy. Earthworms major part of diet.
  14. 14. Diadophis punctatus Ringneck Snake Small snake 10 – 20 inches. Yellow or orange venter.
  15. 15. Storeria dekayi Brown Snake Small snake 9 – 18 inches. Dosum is brown, gray or reddish usually with a pale median stripe. On each side of stripe is a row of small black or brown spots. Venter is light with tiny black spots along each side. Diet primarily slugs, earthworms.
  16. 16. Storeria occipitomaculata Redbelly Snake Small snake 6.5 – 12 inches. Keeled scales with 3 orange or yellow nape spots, sometimes fused. Frequently there is a light middorsal band bordered on each side by a black line. Most of undersurface is red or orange.
  17. 17. Nerodia sipedon Northern Water Snake Extremely variable species. Dark crossbands on neck and anterior parts of body and dark dorsal blotches and alternating lateral bars on remainder of bodyl
  18. 18. Northern Water Snake
  19. 19. Handfeeding minnows to a water snake….
  20. 20. Northern Water Snake
  21. 21. Nerodia taxispilota Brown Water Snake